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1. separate the network and protected by Network Firewall system within the building of the company will be divided into three main areas:• DMZ Zone consists of the Server for online services such as Email, Web sites, Online applications, Online Brokerage OTC and. ..• The database servers and critical applications such as BackOffice, customer DATABASE, transaction, Liu signed a ... This is the region the primary Servers operate the entire system, DATABASE, and software related to securities trading.• The Office block include LAN, and IP PBX systems.The network will be planned on the separate IP ranges. Firewall system will control the flow of data to go through include: access from the Internet to the online services, users in the LAN access the Internet through the ADSL, LeasedLine or Wireless, users in the LAN to access the Server application and the database. Firewall will control, authentication and prevent invalid access, the hacker attacks from the Internet or directly from within the network to the servers.
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